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Remove/Install Low-Temperature Circuit Additional Radiator - AR09.41-P-3001MRI

Engine 264 in model 205, 253 with code B01 (48V technology) 

G14185007Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray.
Risk of poisoning  from swallowing coolant.
Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove front and center bottom engine compartment linings.   AR61.20-P-1105LW
2 Drain coolant from low-temperature circuit.   AR09.41-P-6834MRI 
3 Remove coolant line (1) from radiator (2).   AR20.20-P-7441-01RQ
4 Unclip coolant line (1) from cold-air ducting (3) and place to one side.    
5 Remove coolant line (4) from radiator (2).   AR20.20-P-7441-01RQ
6 Seal connections with clean stop plugs. SPECIAL TOOL Record plug Fig 1
7 Unclip cold-air ducting (5) from radiator support (6) and hold to one side.    
8 Unclip radiator (2) from retaining lugs (7) and slightly swivel radiator (2) forwards.    
9 Detach radiator (2) from radiator support (6) and remove downwards.    
10 Install in the reverse order.    
Fig 1: Identifying Record Plug (129 589 00 91 00)
G11065549Courtesy of MERCEDES-BENZ USA